<!DOCTYPE html>
<html lang="zh-cn" xml:lang="zh-cn" style="padding:0;margin:0;width:100%;height:100%;">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1"/>
    <meta name="renderer" content="webkit"/>
    <meta name="google" content="notranslate" />
    <meta name="msapplication-tap-highlight" content="no">
    <meta http-equiv="x-dns-prefetch-control" content="on">
    <link rel="dns-prefetch" href="">
    <link rel="dns-prefetch" href="">
    <link rel="dns-prefetch" href="//cdn.mathjax.org">
    <link rel="shortcut icon" href="" type="image/x-icon">
    <link rel="icon" href="" type="image/x-icon">
    
    <meta http-equiv="Pragma" content="no-cache">
    <meta http-equiv="Cache-Control" content="no-transform ">
    <meta http-equiv="Cache-Control" content="no-siteapp">
    <meta http-equiv="Cache-Control" content="no-cache">
    <meta http-equiv="Expires" content="0">
    <meta name="keywords" content="1v1,互动教学,作业帮">
    <meta name="description" content="作业帮，1v1互动教学">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>demo</title>
    <meta content="" name="keywords">
</head>
<body style="padding:0;margin:0;width:100%;height:100%;">
<div id="qa-video-wrap" style="position:relative;width:100%;height: 100%;background:#000;overflow: hidden;"></div>
<input id="test2" style="width:50%;" />
<script type="text/javascript" src="NLOVS.js"></script>
<script>

setTimeout(function(){
  // 自学系统～/studysys/user/upgradeInfoPad， AC系统～/superviseplat/api/upgradeInfoPad
  var _ntplayer = new NLOVS(document.body, {'platform': 'AC','upgradePad': true, 'upgradeApi': '/superviseplat/api/upgradeInfoPad', 'debug': true});
}, 2000);

</script>
</body>
</html>